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WO2007033689A1 - Bloc d'accumulateurs et outil electrique a main - Google Patents

Bloc d'accumulateurs et outil electrique a main Download PDF

Info

Publication number
WO2007033689A1
WO2007033689A1 PCT/EP2005/010108 EP2005010108W WO2007033689A1 WO 2007033689 A1 WO2007033689 A1 WO 2007033689A1 EP 2005010108 W EP2005010108 W EP 2005010108W WO 2007033689 A1 WO2007033689 A1 WO 2007033689A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery pack
circuit board
battery
battery cells
pack according
Prior art date
Application number
PCT/EP2005/010108
Other languages
German (de)
English (en)
Inventor
Ralph Liersch
Wolfgang Stickel
Jochen Gräber
Original Assignee
Metabowerke Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Metabowerke Gmbh filed Critical Metabowerke Gmbh
Priority to EP05793680.9A priority Critical patent/EP1927147B1/fr
Priority to US12/067,367 priority patent/US8663834B2/en
Priority to CNA2005800516071A priority patent/CN101268569A/zh
Priority to PCT/EP2005/010108 priority patent/WO2007033689A1/fr
Priority to EP16195951.5A priority patent/EP3154106B1/fr
Publication of WO2007033689A1 publication Critical patent/WO2007033689A1/fr
Priority to US14/156,787 priority patent/US9385401B2/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51—Connection only in series
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514—Methods for interconnecting adjacent batteries or cells
    • H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
    • H01M50/522—Inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention relates to a battery pack, in particular for an electric hand tool device, comprising at least two series-connected battery cells or Akkuzellenblöcke and an electronic unit with a printed circuit board, wherein conductor plates are provided for electrically connecting the series-connected battery cells or Akkuzellenblöcke.
  • cordless tools have a rechargeable accumulator in a rechargeable battery housing, which can be coupled to the device housing of an electric hand tool device, wherein when coupling the two housings, the motor is electrically coupled to the battery pack and supplied with power.
  • the battery housing is provided with a protruding latching device, which is inserted into a complementary plug-in socket of the device housing and locked in this.
  • the electrical contact is usually in the field of VerrastungsVorraum.
  • An analogous embodiment for a battery is known, for example, from DE 94 04 070.2, which describes a battery pack in which individual batteries are arranged in battery-receiving cells, wherein printed circuit boards are used, which serve to connect and series connection of the individual batteries together.
  • the conductor plates are arranged here arcuate according to the description.
  • Battery cell blocks are to be understood here as two or more battery cells, which are connected in parallel and are serially coupled with further battery cells or battery cell blocks.
  • the conductor plates are geometrically designed so that they protrude in the form of lateral terminal lugs of the circuit board. They can then be angled so that they point from the PCB in the direction of the battery cells.
  • the mechanical as well as the electrical coupling via conductor plates to the circuit board has the advantage that the circuit board is resiliently mounted relative to the battery cells or battery cell blocks, since the conductor plates also act as spring elements. In this way, an additional vibration resistance can be achieved, since in particular vibrations, as in electric hand tools, especially in Impact drilling or hammer drills in operation arise, 'can be compensated.
  • the battery cells can be in particular lithium-ion cells.
  • the battery cells can be in particular lithium-ion cells.
  • a battery cell block is connected to the electronics.
  • electronics u. a. the state of charge can be monitored via the voltage of the individual cells.
  • charge control can take place.
  • the same voltage is always present behind cells connected in parallel, so that the voltage for battery cell blocks per block must be determined.
  • the battery cells or battery cell blocks By coupling the battery cells or battery cell blocks to the circuit board can be determined whether all battery cells are charged properly or if, if necessary, a charging current is achieved, which can not cope with the battery cells.
  • a scheme may be provided by means of which the charging current is controlled so that overloading of individual battery cells is prevented and on the other hand, all battery cells can be fully charged. In this way, a good usability of the corresponding battery pack and thus of the electric hand tool device used with this is achieved over a long time.
  • the poles of the individual battery cells can thereby be materially connected, in particular via welding or solder joints, with the conductor plates.
  • the battery cells are received in a battery tray carrier and held spaced from each other here.
  • the cell carrier may consist in particular of an injection molded part, which has corresponding receptacles for the battery cells.
  • fastening elements are provided on the cell carrier, with which the cell carrier is connected to the battery cells received therein, which are collectively referred to as core pack, with the electronic unit.
  • a corresponding connection can be made, for example via a latching connection by appropriate locking devices are provided on the core pack, engage behind the latching projections under mechanical deformation of the electronics unit and so ensure a positive connection.
  • the electronics unit can also comprise an electronics housing beyond the printed circuit board into which the printed circuit board with the printed circuit boards mounted thereon is received.
  • the circuit board finally carries a number of other electronic elements and it can be a software for control, regulation or even the detection of the battery pack are printed on the circuit board.
  • other components such as in particular switches, but also state of charge indicators, be connected to the circuit board.
  • the circuit board is then inserted in particular into the electronics housing, and the electronics housing is then poured out by means of a resin, so that the circuit board is firmly connected to the electronics housing.
  • the invention comprises a
  • Electric hand tool with an electric motor and a releasably hereby latchable battery pack of the type described above for driving the electric motor, wherein a device for mechanically and electrically contacting the battery pack is provided with a housing of the electric power tool.
  • Figure 1 is an exploded view of the electronics unit and a core pack of a battery pack
  • Figure 2 shows a battery pack without battery case
  • FIG. 3 shows a detail of Figure 2 with respect to the latching.
  • Figure 1 shows an exploded view of a core pack (bottom view), which is designated in its entirety by 12, and a printed circuit board 14 with printed circuit boards 16 (middle view) and an electronics housing 18 (top illustration).
  • the core pack 12 in this case comprises eight battery cells 20, wherein two cells 20 'and 20''are connected in parallel to a battery cell block.
  • the battery cells 20 are lithium-ion cells which, unlike nickel-cadmium cells, enable parallel connection.
  • the battery cell blocks consist of the battery cells 20 'and 20''and are each connected in series one behind the other.
  • the battery cells 20 are received in a cell carrier 22 and separated from each other by such that no Contact of the battery cells 20 takes place with each other, as this could lead to short circuits.
  • the poles of the individual battery cells 20 are hereby recessed by the cell carrier 22: so that an electrical contact can be made.
  • a latching device 24 is provided on the cell carrier 22, which consists of four pins, which are provided with latching noses 26.
  • the locking lugs 26 are slotted so that springs of the locking lug halves toward each other takes place so that the pins 24 including the locking lugs 26 can be guided through an opening and then takes place after rebound locking behind a projection.
  • the electronics unit On the core pack 12 later in the assembly, the electronics unit is placed, which is shown in the middle illustration.
  • rivets 30 are connected to the circuit board 14, the conductor plates 16 which are connected via contact areas 32 with the poles of the battery cells 20 via a material-locking connection.
  • the conductor plates 16 provide a connection to the electronics via the rivets 30, by means of which the conductor plates 16 are fastened to the printed circuit board 14.
  • a connection of the cells 20 with the electronics over - Porterbleche possessed the advantage that vibrations can be compensated because the conductor plates 16 act as spring elements and also a mechanical connection between the printed circuit board and battery cells next to the electrical, the circuit board after welding with the Battery cells 20 determines this.
  • circuit board 14 recesses 34 which come to rest in the region of the tiller 24 and enclose them.
  • the printed circuit board 14 is now connected to the core pack with an electronics housing 18 before assembly, which is shown in the upper illustration.
  • a sponge rubber element 36 is placed on the printed circuit board 14, and printed circuit board and sponge rubber 36 are then inserted into the electronics housing 18.
  • the electronics housing 18 is then filled with a resin, so that a firm connection between the circuit board 14 and the electronics housing 18 is given.
  • both printed circuit board 14 and the electronics housing 18 have a recess 40 or 42 in a corner region, via the cable 48 (see Figure 2) of the PCB bottom 14 to the top of the electronics housing 18- can be performed.
  • the recess 42 of the electronics housing 18 has for this purpose a bracket 44 ' - on, which is responsible for guiding the cable 48.
  • the cables 48 are then connected in the region of the bushing 38 to a connecting dome 50 and led to contacts 52, which later serve for electrical contacting with an electric hand tool device (FIG. 2).
  • FIG. 2 also shows an already mounted battery pack, but without battery housing. Here was the
  • Electronic unit comprising the electronics housing 18 and the not recognizable circuit board 14 already connected via welded joints with the battery cells 20.
  • a further damping element 46 is now arranged in the form of a foam strip between the housing and electronics housing before mounting the battery housing.
  • a mechanical latching device for the battery pack with an electric hand tool device is provided with the housing.
  • a corresponding arrangement provides Advantageous a secure electrical connection of the battery cells 20 to one another and to electronics and a vibration resistance.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un bloc d'accumulateurs, en particulier pour un outil électrique à main, comportant au moins deux éléments d'accumulateur (20) et/ou blocs d'éléments d'accumulateur montés en série ainsi qu'une unité électronique pourvue d'une carte de circuits imprimés (14), des plaques conductrices (16) permettant la connexion électrique des éléments d'accumulateur (20) et/ou blocs d'éléments d'accumulateur montés en série. Selon la présente invention, ces plaques conductrices (16) sont directement reliées à la carte de circuits imprimés (14).
PCT/EP2005/010108 2005-09-20 2005-09-20 Bloc d'accumulateurs et outil electrique a main WO2007033689A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP05793680.9A EP1927147B1 (fr) 2005-09-20 2005-09-20 Bloc d'accumulateurs et outil electrique a main
US12/067,367 US8663834B2 (en) 2005-09-20 2005-09-20 Rechargeable battery pack and electrical hand tool device
CNA2005800516071A CN101268569A (zh) 2005-09-20 2005-09-20 蓄电池组以及手持电动工具
PCT/EP2005/010108 WO2007033689A1 (fr) 2005-09-20 2005-09-20 Bloc d'accumulateurs et outil electrique a main
EP16195951.5A EP3154106B1 (fr) 2005-09-20 2005-09-20 Appareil électroportatif
US14/156,787 US9385401B2 (en) 2005-09-20 2014-01-16 Rechargeable battery pack and electrical hand tool device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2005/010108 WO2007033689A1 (fr) 2005-09-20 2005-09-20 Bloc d'accumulateurs et outil electrique a main

Publications (1)

Publication Number Publication Date
WO2007033689A1 true WO2007033689A1 (fr) 2007-03-29

Family

ID=35967053

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/010108 WO2007033689A1 (fr) 2005-09-20 2005-09-20 Bloc d'accumulateurs et outil electrique a main

Country Status (4)

Country Link
US (2) US8663834B2 (fr)
EP (2) EP1927147B1 (fr)
CN (1) CN101268569A (fr)
WO (1) WO2007033689A1 (fr)

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EP2006054A1 (fr) * 2007-06-22 2008-12-24 Metabowerke GmbH Dispositif pour retenir des éléments de batterie dans un bloc-batterie
WO2010003738A1 (fr) 2008-07-11 2010-01-14 Robert Bosch Gmbh Mise en contact électrique d’un accumulateur doté de plusieurs cellules d’accumulateur
EP2159864A1 (fr) * 2008-08-29 2010-03-03 Samsung SDI Co., Ltd. Ensemble de batterie
EP2187465A1 (fr) * 2008-11-17 2010-05-19 Kabushi Kaisha Toshiba Bloc-batteries secondaire
EP2224513A2 (fr) 2009-02-27 2010-09-01 Andreas Stihl AG & Co. KG Batterie dotée d'un système électronique de surveillance intégré dans un couvercle de boîtier
WO2011012215A1 (fr) * 2009-07-25 2011-02-03 Zehdenick Innovative Metall- Und Kunststofftechnik Gmbh Système pour raccorder des pistes conductrices électriques à des bornes polaires d'éléments interconnectés
EP2284927A1 (fr) * 2009-07-09 2011-02-16 Samsung SDI Co., Ltd. Bloc-batteries incluant une pluralité de cellules unitaires
EP2325917A1 (fr) * 2009-10-21 2011-05-25 Samsung SDI Co., Ltd. Ensemble de batterie
GB2452618B (en) * 2007-09-04 2012-08-01 Milwaukee Electric Tool Corp A method of manufacturing a battery pack including an electric harness
DE102015110308A1 (de) 2015-03-09 2016-09-15 Metabowerke Gmbh Akkupack für ein Elektrohandwerkzeuggerät
EP3084857A4 (fr) * 2013-12-17 2017-06-28 Husqvarna AB Bloc-batterie doté d'un appareil de fixation de cellules
CN112106222A (zh) * 2018-05-04 2020-12-18 罗伯特·博世有限公司 蓄电池包

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WO2007033689A1 (fr) 2005-09-20 2007-03-29 Metabowerke Gmbh Bloc d'accumulateurs et outil electrique a main
EP2919295B1 (fr) * 2005-10-31 2018-08-29 Black & Decker, Inc. Procédé pour agencer les composants dans une bloc batterie
JP5405189B2 (ja) * 2009-05-11 2014-02-05 三洋電機株式会社 パック電池
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JP2011222391A (ja) * 2010-04-13 2011-11-04 Makita Corp バッテリパック
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JP5462096B2 (ja) 2010-07-15 2014-04-02 株式会社マキタ 電動工具用バッテリ
JP5574422B2 (ja) * 2010-09-16 2014-08-20 Ｆｄｋトワイセル株式会社 回路基板支持装置、該回路基板支持装置を備える電池ユニット
JP5297431B2 (ja) * 2010-09-27 2013-09-25 パナソニック株式会社 電池パック及びこれを備えた電動工具
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FR2976761B1 (fr) * 2011-06-17 2014-05-02 Commissariat Energie Atomique Circuit imprime pour l'interconnexion et la mesure d'accumulateurs d'une batterie
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US9496544B2 (en) 2011-07-28 2016-11-15 Lg Chem. Ltd. Battery modules having interconnect members with vibration dampening portions
EP2740171B1 (fr) 2011-08-01 2016-12-07 Ingersoll-Rand Company Supports pour éléments multiples
WO2013021573A1 (fr) * 2011-08-10 2013-02-14 パナソニック株式会社 Bloc de batteries et module de batteries le contenant
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US8846240B2 (en) 2012-02-16 2014-09-30 Lg Chem, Ltd. Battery cell interconnect and voltage sensing assembly and method of manufacturing the assembly
JP6492668B2 (ja) * 2014-01-23 2019-04-03 株式会社村田製作所 蓄電装置、蓄電システム、電子機器、電動車両および電力システム
US9437859B2 (en) 2014-04-07 2016-09-06 Lg Chem, Ltd. Battery cell interconnect and voltage sensing assembly and a battery module
US9620761B2 (en) 2014-09-09 2017-04-11 Lg Chem, Ltd. Battery cell interconnect and voltage sensing assembly and a battery module
CN104409670B (zh) * 2014-12-05 2016-10-05 江苏天鹏电源有限公司 一种结构简单减震效果好的18v电池包
US10020483B2 (en) 2015-02-09 2018-07-10 Lg Chem, Ltd. Battery module and method of coupling first and second electrical terminals of first and second battery cells to a voltage sense member of an interconnect assembly
US9905892B2 (en) 2015-02-09 2018-02-27 Lg Chem, Ltd. Battery module and method of coupling first and second electrical terminals of first and second battery cells to first and second voltage sense members of an interconnect assembly
MX360033B (es) * 2015-06-11 2018-10-19 Pedro Gabay Villafana Dispositivo electronico para la deteccion de campo magnetico que indica nivel de gas en tanques estacionarios y envio de datos en forma inalambrica.
US11735778B2 (en) * 2016-09-20 2023-08-22 Honeywell Limited Battery pack device with casings for multiple cells
DE102017107868A1 (de) 2017-04-11 2018-10-11 Metabowerke Gmbh Akkupack sowie Elektrohandwerkzeuggerät
FR3071671B1 (fr) * 2017-09-22 2022-02-18 Tyva Energie Batterie electrique
DE102018104339A1 (de) 2018-02-26 2019-08-29 Metabowerke Gmbh Akkupack sowie Elektrohandwerkzeuggerät
DE102018104340A1 (de) * 2018-02-26 2019-08-29 Metabowerke Gmbh Akkupack sowie Elektrohandwerkzeuggerät und Verfahren zur Herstellung
DE102018104342B3 (de) 2018-02-26 2019-07-04 Metabowerke Gmbh Akkupack sowie Elektrohandwerkzeuggerät
DE102018109209A1 (de) 2018-04-18 2019-10-24 Metabowerke Gmbh Akkupack und Elektrohandwerkzeuggerät
WO2020074790A1 (fr) * 2018-10-09 2020-04-16 Tyva Energie Batterie électrique
US12155077B2 (en) * 2018-11-08 2024-11-26 Tvs Motor Company Limited Interconnecting structure for energy storage cells in an energy storage device
DE102019117047A1 (de) * 2019-06-25 2020-12-31 Jungheinrich Aktiengesellschaft Schwingungsdämpfende Lagerung von Batteriestacks und E-Teil
US11539511B2 (en) * 2019-08-08 2022-12-27 Lenovo (Singapore) Pte. Ltd. Use of conductive ink segments to establish secure device key
US20210151721A1 (en) * 2019-11-15 2021-05-20 Techtronic Cordless Gp Battery pack and method
EP4094083A4 (fr) * 2020-01-23 2024-07-10 Bren-Tronics, Inc. Boîtier résistant aux balles pour batteries rechargeables
FR3152443A1 (fr) * 2023-08-28 2025-03-07 Pellenc Pack batterie comprenant un pack de cellules et un système de gestion de batterie

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US20140162089A1 (en) 2014-06-12
US8663834B2 (en) 2014-03-04
US9385401B2 (en) 2016-07-05
EP1927147B1 (fr) 2016-12-14
EP3154106A1 (fr) 2017-04-12
US20080254356A1 (en) 2008-10-16
CN101268569A (zh) 2008-09-17
EP1927147A1 (fr) 2008-06-04

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